tronnet/ProxmoxAAS-API
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add resource check on resize

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Signed-off-by: Arthur Lu <learthurgo@gmail.com>
This commit is contained in:
Arthur Lu 2023-02-28 23:24:49 +00:00
parent b970e990a6
commit 1c27b3c2a8
3 changed files with 129 additions and 92 deletions
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29
db.js
View File

@ -9,7 +9,7 @@ let db = {};
*/
function init () {
try {
db = fs.readFileSync(filename);
db = JSON.parse(fs.readFileSync(filename));
}
catch {
fs.writeFileSync(filename, JSON.stringify(db));
@ -23,12 +23,13 @@ function init () {
* @returns {boolean} whether the user is approved to allocate requested resources
*/
function requestResources (user, resources) {
Object.keys(db[user]).forEach((element) => {
if (db[user][element] < resources[element]) {
return false;
let approved = true;
Object.keys(resources).forEach((element) => {
if (db[user][element] - resources[element] < 0) {
approved = false;
}
});
return true;
return approved;
}
/**
@ -40,16 +41,16 @@ function requestResources (user, resources) {
function allocateResources (user, resources) {
let newdb = {};
Object.assign(newdb, db);
Object.keys(db[user]).forEach((element) => {
newdb[user][element] -= resource[element];
Object.keys(resources).forEach((element) => {
newdb[user][element] -= resources[element];
});
try {
fs.writeFileSync(filename, newdb);
fs.writeFileSync(filename, JSON.stringify(newdb));
Object.assign(db, newdb);
return true;
}
catch {
fs.writeFileSync(filename, db)
fs.writeFileSync(filename, JSON.stringify(db))
return false;
}
}
@ -63,18 +64,18 @@ function allocateResources (user, resources) {
function releaseResources (user, resources) {
let newdb = {};
Object.assign(newdb, db);
Object.keys(db[user]).forEach((element) => {
newdb[user][element] += resource[element];
Object.keys(resources).forEach((element) => {
newdb[user][element] += resources[element];
});
try {
fs.writeFileSync(filename, newdb);
fs.writeFileSync(filename, JSON.stringify(newdb));
Object.assign(db, newdb);
return true;
}
catch {
fs.writeFileSync(filename, db)
fs.writeFileSync(filename, JSON.stringify(db))
return false;
}
}
module.exports = {init, requestResources, releaseResources};
module.exports = {init, requestResources, allocateResources, releaseResources};

106
main.js
View File

@ -4,11 +4,11 @@ const cookieParser = require("cookie-parser")
const cors = require("cors");
const helmet = require("helmet");
const morgan = require("morgan");
const axios = require('axios');
var api = require("./package.json");
const {pveAPI, pveAPIToken, listenPort, domain} = require("./vars.js");
const {init, requestResources, releaseResources} = require("./db.js");
const {pveAPIToken, listenPort, domain} = require("./vars.js");
const {checkAuth, requestPVE, handleResponse, getUnusedDiskData, getDiskByConfig} = require("./pveutils.js");
const {init, requestResources, allocateResources, releaseResources} = require("./db.js");
const app = express();
app.use(helmet());
@ -48,7 +48,7 @@ app.post("/api/disk/detach", async (req, res) => {
let auth = await checkAuth(req.cookies, vmpath);
if (!auth) {
res.send({auth: auth});
res.status(401).send({auth: auth});
return;
}
@ -65,7 +65,7 @@ app.post("/api/disk/attach", async (req, res) => {
let auth = await checkAuth(req.cookies, vmpath);
if (!auth) {
res.send({auth: auth});
res.status(401).send({auth: auth});
return;
}
@ -84,7 +84,19 @@ app.post("/api/disk/resize", async (req, res) => {
let auth = await checkAuth(req.cookies, vmpath);
if (!auth) {
res.send({auth: auth});
res.status(401).send({auth: auth});
return;
}
let diskConfig = await getDiskByConfig(req.body.node, req.body.type, req.body.vmid, req.body.disk);
if (!diskConfig) {
res.status(500).send({auth: auth, data:{error: `requested disk ${req.body.disk} does not exist`}});
}
let storage = diskConfig.split(":")[0];
let request = {};
request[storage] = req.body.size;
if (!requestResources(req.cookies.username, request)) {
res.status(500).send({auth: auth, data:{request: request, error: `${storage} could not fulfill request`}});
return;
}
@ -92,7 +104,10 @@ app.post("/api/disk/resize", async (req, res) => {
let result = await requestPVE(`${vmpath}/resize`, "PUT", req.cookies, action, pveAPIToken);
result = await handleResponse(req.body.node, result);
res.send({auth: auth, status: result.status, data: result.data});
if (result.status === 200) {
allocateResources(req.cookies.username, request);
}
res.status(result.status).send({auth: auth, data: result.data});
});
app.post("/api/disk/move", async (req, res) => {
@ -116,7 +131,7 @@ app.post("/api/disk/move", async (req, res) => {
let result = await requestPVE(`${vmpath}/${route}`, "POST", req.cookies, action, pveAPIToken);
result = await handleResponse(req.body.node, result);
res.send({auth: auth, status: result.status, data: result.data});
res.send({auth: auth, data: result.data}, result.status);
});
app.post("/api/disk/delete", async (req, res) => {
@ -133,7 +148,7 @@ app.post("/api/disk/delete", async (req, res) => {
let method = req.body.type === "qemu" ? "POST" : "PUT";
let result = await requestPVE(`${vmpath}/config`, method, req.cookies, action, pveAPIToken);
result = await handleResponse(req.body.node, result);
res.send({auth: auth, status: result.status, data: result.data});
res.send({auth: auth, data: result.data}, result.status);
});
app.post("/api/disk/create", async (req, res) => {
@ -160,7 +175,7 @@ app.post("/api/disk/create", async (req, res) => {
let method = req.body.type === "qemu" ? "POST" : "PUT";
let result = await requestPVE(`${vmpath}/config`, method, req.cookies, action, pveAPIToken);
result = await handleResponse(req.body.node, result);
res.send({auth: auth, status: result.status, data: result.data});
res.send({auth: auth, data: result.data}, result.status);
});
app.post("/api/resources", async (req, res) => {
@ -176,7 +191,7 @@ app.post("/api/resources", async (req, res) => {
action = JSON.stringify({cores: req.body.cores, memory: req.body.memory});
let result = await requestPVE(`${vmpath}/config`, method, req.cookies, action, pveAPIToken);
result = await handleResponse(req.body.node, result);
res.send({auth: auth, status: result.status, data: result.data});
res.send({auth: auth, data: result.data}, result.status);
});
app.post("/api/instance", async (req, res) => {
@ -214,7 +229,7 @@ app.post("/api/instance", async (req, res) => {
let result = await requestPVE(`/nodes/${req.body.node}/${req.body.type}`, "POST", req.cookies, action, pveAPIToken);
result = await handleResponse(req.body.node, result);
res.send({auth: auth, status: result.status, data: result.data});
res.send({auth: auth, data: result.data}, result.status);
});
app.delete("/api/instance", async (req, res) => {
@ -228,74 +243,9 @@ app.delete("/api/instance", async (req, res) => {
let result = await requestPVE(`${vmpath}`, "DELETE", req.cookies, null, pveAPIToken);
result = await handleResponse(req.body.node, result);
res.send({auth: auth, status: result.status, data: result.data});
res.send({auth: auth, data: result.data}, result.status);
});
async function checkAuth (cookies, vmpath = null) {
if (vmpath) {
let result = await requestPVE(`/${vmpath}/config`, "GET", cookies);
return result.status === 200;
}
else { // if no path is specified, then do a simple authentication
let result = await requestPVE("/version", "GET", cookies);
return result.status === 200;
}
}
async function requestPVE (path, method, cookies, body = null, token = null) {
let url = `${pveAPI}${path}`;
let content = {
method: method,
mode: "cors",
credentials: "include",
headers: {
"Content-Type": "application/x-www-form-urlencoded"
},
}
if (token) {
content.headers.Authorization = `PVEAPIToken=${token.user}@${token.realm}!${token.id}=${token.uuid}`;
}
else if (cookies) {
content.headers.CSRFPreventionToken = cookies.CSRFPreventionToken;
content.headers.Cookie = `PVEAuthCookie=${cookies.PVEAuthCookie}; CSRFPreventionToken=${cookies.CSRFPreventionToken}`;
}
if (body) {
content.data = JSON.parse(body);
}
try {
let response = await axios.request(url, content);
return response;
}
catch (error) {
return error.response;
}
}
async function handleResponse (node, response) {
const waitFor = delay => new Promise(resolve => setTimeout(resolve, delay));
if (response.data.data) {
let upid = response.data.data;
while (true) {
let taskStatus = await requestPVE(`/nodes/${node}/tasks/${upid}/status`, "GET", null, null, pveAPIToken);
if (taskStatus.data.data.status === "stopped" && taskStatus.data.data.exitStatus === "OK") {
return taskStatus;
}
else if (taskStatus.data.data.status === "stopped") {
return taskStatus;
}
else {
await waitFor(1000);
}
}
}
else {
return response;
}
}
app.listen(listenPort, () => {
init();
console.log(`proxmoxaas-api v${api.version} listening on port ${listenPort}`);

86
pveutils.js Normal file
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@ -0,0 +1,86 @@
const axios = require('axios');
const {pveAPI, pveAPIToken} = require("./vars.js");
async function checkAuth (cookies, vmpath = null) {
if (vmpath) {
let result = await requestPVE(`/${vmpath}/config`, "GET", cookies);
return result.status === 200;
}
else { // if no path is specified, then do a simple authentication
let result = await requestPVE("/version", "GET", cookies);
return result.status === 200;
}
}
async function requestPVE (path, method, cookies, body = null, token = null) {
let url = `${pveAPI}${path}`;
let content = {
method: method,
mode: "cors",
credentials: "include",
headers: {
"Content-Type": "application/x-www-form-urlencoded"
},
}
if (token) {
content.headers.Authorization = `PVEAPIToken=${token.user}@${token.realm}!${token.id}=${token.uuid}`;
}
else if (cookies) {
content.headers.CSRFPreventionToken = cookies.CSRFPreventionToken;
content.headers.Cookie = `PVEAuthCookie=${cookies.PVEAuthCookie}; CSRFPreventionToken=${cookies.CSRFPreventionToken}`;
}
if (body) {
content.data = JSON.parse(body);
}
try {
let response = await axios.request(url, content);
return response;
}
catch (error) {
return error.response;
}
}
async function handleResponse (node, response) {
const waitFor = delay => new Promise(resolve => setTimeout(resolve, delay));
if (response.data.data) {
let upid = response.data.data;
while (true) {
let taskStatus = await requestPVE(`/nodes/${node}/tasks/${upid}/status`, "GET", null, null, pveAPIToken);
if (taskStatus.data.data.status === "stopped" && taskStatus.data.data.exitstatus === "OK") {
return {status: 200, data: taskStatus.data.data};
}
else if (taskStatus.data.data.status === "stopped") {
return {status: 500, data: taskStatus.data.data};
}
else {
await waitFor(1000);
}
}
}
else {
return response;
}
}
async function getUnusedDiskData (node, disk) {
let storageID = disk.split(":")[0];
let storageData = await requestPVE(`/nodes/${node}/storage/${storageID}/content`, "GET", null, null, pveAPIToken);
storageData.data.forEach((element) => {
if (element.volid === disk) {
return element;
}
});
return null;
}
async function getDiskByConfig (node, type, vmid, disk) {
let config = await requestPVE(`/nodes/${node}/${type}/${vmid}/config`, "GET", null, null, pveAPIToken);
return config.data.data[disk];
}
module.exports = {checkAuth, requestPVE, handleResponse, getUnusedDiskData, getDiskByConfig};